Environmental note: Our Silica Gel products are non-toxic and do not contain any harmful substances such as Cobalt Chloride or Calcium Chloride

Our Indicating Silica Gel products change colour from Orange to Green to indicate their moisture saturation levels. The sachets are a clearpermeable plastic so you can easily see the colour status. The Silica Gel beads start to change colour at 60% moisture adsorptionThe Part Indicating Silica Gel products are a mix of Orange and White beads. The Orange beads change colour and the White beads do notWhen either of these Indicating products turn Green and reach saturation point they cease to be effective as they cannot adsorb any moremoisture. At this point the Silica Gel requires reactivating or replacing